GB1202410A - Regulated direct voltage to direct voltage power supply - Google Patents

Regulated direct voltage to direct voltage power supply

Info

Publication number
GB1202410A
GB1202410A GB5899167A GB5899167A GB1202410A GB 1202410 A GB1202410 A GB 1202410A GB 5899167 A GB5899167 A GB 5899167A GB 5899167 A GB5899167 A GB 5899167A GB 1202410 A GB1202410 A GB 1202410A
Authority
GB
United Kingdom
Prior art keywords
transistor
thyristor
oscillator
winding
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5899167A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
General Electric Canada Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canadian General Electric Co Ltd, General Electric Canada Co filed Critical Canadian General Electric Co Ltd
Publication of GB1202410A publication Critical patent/GB1202410A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/305—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M3/315—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M3/3155—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of the output voltage or current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/515—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/525—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Inverter Devices (AREA)

Abstract

1,202,410. Automatic voltage control. CANADIAN GENERAL ELECTRIC CO. Ltd. Dec.29, 1967 [Feb.14, 1967], No.58991/67. Heading G3R. [Also in Divisions H2 and H3] A D.C.-A.C.-D.C. converter comprising a controlled rectifier inverter 27 has its output voltage regulated by varying the frequency of an oscillator 61 which provides firing pulses for the rectifier. The frequency is varied by deriving a D.C. control signal from winding 21 on transformer 19 and using it to control the impedance of a transistor 66 coupled in the timing circuit of the oscillator. In order to stop operation when the input drops too low, transistor 81 and bias circuit 51, 52, 53, 54, 55 are provided. Transistor 81 is normally conducting, holding diode 83 reverse biased. If the input falls below a predetermined value, transistor 81 cuts-off, diode 83 conducts and transistor 66 saturates to stop the oscillator 61. To provide a slow build-up of output voltage when switching on, transistor 66 is also controlled by a CR circuit 84, 85 which initially saturates the transistor. As capaciter 85 charges, the conductivity of transistor 66 decreases and unijunction transistor 68 starts to oscillate, the frequency of oscillation rising as the conductivity of transistor 66 falls. Inverter operation. Application of a trigger pulse to thyristor 27 allows capaciter 26 to charge sinusoidally through choke 26, the initial positive half cycle of oscillation passing through the thyristor. When the current reverses at the end of this half cycle it passes through diode 28 and cuts off the thyristor. The next positive half cycle cannot pass through the rectifier, but is diverted through winding 20 of the transformer, the reactance of this winding being larger than that of choke 25. The next trigger pulse restarts the cycle.
GB5899167A 1967-02-14 1967-12-29 Regulated direct voltage to direct voltage power supply Expired GB1202410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA982823 1967-02-14

Publications (1)

Publication Number Publication Date
GB1202410A true GB1202410A (en) 1970-08-19

Family

ID=4142804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5899167A Expired GB1202410A (en) 1967-02-14 1967-12-29 Regulated direct voltage to direct voltage power supply

Country Status (4)

Country Link
CA (1) CA848547A (en)
DE (1) DE1613998A1 (en)
FR (1) FR1554185A (en)
GB (1) GB1202410A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091133A1 (en) * 1982-04-07 1983-10-12 Sanyo Electric Co., Ltd. Improved power supply circuit of switching regulator type
GB2127239A (en) * 1982-09-08 1984-04-04 Qualidyne Systems Inc DC-DC converter

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005370A (en) * 1974-09-10 1977-01-25 Matsushita Electric Industrial Co., Ltd. Power supply means for magnetron
US4055791A (en) * 1975-09-08 1977-10-25 Hewlett-Packard Company Self commutated SCR power supply
GB1542662A (en) * 1975-09-12 1979-03-21 Matsushita Electric Ind Co Ltd Power supply
CN113082560A (en) * 2021-04-06 2021-07-09 武汉光燚激光科技有限公司 Sound wave water film cultivation art skin therapeutic instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091133A1 (en) * 1982-04-07 1983-10-12 Sanyo Electric Co., Ltd. Improved power supply circuit of switching regulator type
GB2127239A (en) * 1982-09-08 1984-04-04 Qualidyne Systems Inc DC-DC converter

Also Published As

Publication number Publication date
DE1613998A1 (en) 1971-06-03
CA848547A (en) 1970-08-04
FR1554185A (en) 1969-01-17

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees